Event between 02CZ154 and star GA0900:03946052 with event index number of 1180939
Geocentric closest approach at 2023/05/16 17:25:39 UTC
J2000 position of star is 13:07:48.2 +00:28:38
Equinox of date position of star is 13:08:55.0 +00:21:41
Stellar brightness G=13.8,
use SENSEUP=64 with the MallinCam and and exposure
time of 1 seconds with the QHY174 camera.
Star is 173 degrees from the moon.
Moon is 10% illuminated.
TNO apparent brightness V=23.7
TNO is 41.0 AU from the Sun
and 40.2 AU from the Earth.
The TNO is moving 18.2
km/sec on the sky relative to the star, or,
2.2 arcsec/hr.
The 1-sigma error in the time of the event is 298 seconds.
The 1-sigma cross-track error in the shadow position is
3662 km.
The TNO has an absolute magnitude Hv=7.5
Diameter=188.8 km assuming a 5% albedo -- 10.4 sec chord
Diameter=77.1 km assuming a 30% albedo -- 4.2 sec chord
Dynamical classification is CLASSICAL
Star training set for 02CZ154, (2023/05/16 17:26UT) Object RA Dec mag sep mel Spica 13:26:25.7 -11:16:57 1.0 12.41 174 Vindemiatrix 13:03:20.5 +10:50:02 2.8 10.58 163 PPM 159692 13:22:53.0 +01:57:54 5.7 3.83 171 PPM 159493 13:08:48.3 +01:20:59 7.4 1.00 172 PPM 159487 13:08:31.3 +00:27:41 8.8 0.16 173 02CZ154 13:09:00.0 +00:21:10 13.8 173 Positions are for equinox of date
Azimuth is measured in degrees eastward from north. North is at an azimuth of 0, due East is at an azimuth of 90 degrees, due South is 180, and due West is 270.
Do not use the listing below for the RECON CPC 1100 telescopes. This is provided for other non-team facilities.
Star training set for 02CZ154, (2023/05/16 17:26UT) Object RA Dec mag sep mel Spica 13:25:11.5 -11:09:41 1.0 12.41 174 Vindemiatrix 13:02:10.2 +10:57:33 2.8 10.58 163 PPM 159692 13:21:41.5 +02:05:13 5.7 3.83 171 PPM 159493 13:07:36.7 +01:28:27 7.4 1.00 172 PPM 159487 13:07:19.5 +00:35:09 8.8 0.16 173 02CZ154 13:07:48.2 +00:28:38 13.8 173 Positions are for J2000
Event circumstances last updated at 2021/10/07 00:42:31 UT
Marc W. Buie, Southwest Research Institute